PartsTable
Technical Data Sheet
PartsTable / COMPONENT / AS8791/1
AS8791/1 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The AS8791/1 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-339-8454, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
AS8791/1
NSN: 5330-01-339-8454
FSC: 5330
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
Part NumberAS8791/1
NSN5330-01-339-8454
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS8791/1 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
JOINT TYPE: SCARF-PERIPHERAL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
PERIPHERAL DIAMETER: 1.466 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.380 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.052 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
JOINT TYPESCARF-PERIPHERAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
PERIPHERAL DIAMETER1.466 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.380 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.052 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
SAE-AS8791/1Interchangeable
Same NIIN cross-reference
interchangeable
M8791/1-126Interchangeable
Same NIIN cross-reference
interchangeable
MIL-R-8791/1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy AS8791/1?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is AS8791/1?
AS8791/1 is a AS8791/1.
What parts can replace AS8791/1?
There are 3 known substitutes for AS8791/1: SAE-AS8791/1, M8791/1-126, MIL-R-8791/1. Substitute compatibility should be verified for your specific system.
What is the NSN for AS8791/1?
AS8791/1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-339-8454. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — AS8791/1

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026